Muthambalavanar and Muthumari Amman, the incarnation of Lord Shiva and Godess Parvathy are the major deities of SRI MUTHUMARI AMMAN DEVASTHANAM. Separate shrines are for the deities of Lord Maha Ganapathy, Nagaraja, Thampuran, Yogeeswaran, Madan Thampuran, Ishakki Amman, Ujjayini Mahakali Amman and Lord Sri Krishna. Deities Karinkali and Vairavar guard the temple. The idol of Viswakarmavu- preceptor of Viswakarmajar family was also present in the temple.

Large number of devotees visits this temple with ardent devotion. By worshipping Muthambalavanar and Muthumari Amman, one is liberated from troubles, deprivation, poverty, and many severe illnesses. One will seek prosperity, success and happiness in the physical and spiritual world and be given a chance to repent for the bad karmas committed through their life span.